13. ____in the wild forest, you must learn to do everything on your own.

　　　 A. Survive　　　 　 B. Surviving 　　　　　　 C. Survived 　　　　　　 D. To survive

12. The flu is believed _______ by viruses that like to reproduce in the cells inside the human nose and throat.

　　　 A. causing 　　　　　　　 B. being caused　　　　 C. to be caused　　　　　 D. to have caused

11. Her parents had had a very anxious moment but everything _____ all right in the end.

　　　 A. turned up　　　　　　　 B. carried out　　　　　　 C. turned out　　　　　　 D. carried away

10. I _______ you for sixteen years and I still don’t know what goes on in your mind.

　　　 A. have married　　　　 　　　　　　　　　　　　　　　　 B. have 　got 　married 　to

C. have married with 　　　　　　　　　　　　　　　 　　　　　　　　　　　　　　　　 D. have been married to

9. -I will not take an umbrella with me today.

　 -______ it rains later in the day?

　　　 A. How　　　　　　　　　　 B. What　　　　　　　　　　 C. How about　　　　　　 D. What if

8. Mary had to wok at evenings and weekends. Only in this way _____ able to complete the report by the deadline.

　 A. was she　　　　　　　　 B. she was　　　　　　　　 C. had she been　　　　 D. she had been

7. _____ in writing letters, he had no time to notice me.

　　　 A. Engaged　　　　　　　 B. Moved　　　　　　　　　 C. Interested　　　　　　　 D. Surprised

6. I was disappointed with the film．I had expected ____________to be much better．

A．that　 B．this　　 C．one　　　　　　　 D．it

5. He was about to tell me the secret ____________someone patted him on the shoulder．(上海2002)

A．as　　 　　B．until　 　　　C．while　　　　　　　　　　　　　　 D．when

4. They ____________the train until it disappeared in the distance．

A．saw　 　　　　B．watched　 　　　　 C．noticed　　　　　 　 D．observed